| 秦萌萌,高 莹,李昕玲,宋 迪,王琳琳.白藜芦醇通过下调MEK/ERK/c-Jun信号通路抑制H2O2诱导的肺癌细胞增殖[J].,2020,(3):465-469 |
| 白藜芦醇通过下调MEK/ERK/c-Jun信号通路抑制H2O2诱导的肺癌细胞增殖 |
| Resveratrol Inhibits H2O2-induced Proliferation of Lung Cancer Cells by Down-regulating MEK/ERK/c-Jun Signal Pathway |
| 投稿时间：2019-04-24 修订日期：2019-05-18 |
| DOI：10.13241/j.cnki.pmb.2020.03.013 |
| 中文关键词: 白藜芦醇 过氧化氢 肺癌 细胞增殖 MEK/ERK/c-Jun 信号通路 |
| 英文关键词: Resveratrol H2O2 Lung cancer Cell proliferation MEK/ERK/c-Jun Signaling pathway |
| 基金项目:辽宁省自然科学基金指导计划项目（201602812） |
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| 中文摘要: |
| 摘要 目的：探讨白藜芦醇（Res）是否通过下调ERK激酶/胞外信号调节激酶/原癌基因（MEK/ERK/c-Jun）信号通路抑制小剂量过氧化氢（H2O2）诱导肺癌细胞增殖。方法：采用MTS实验检测小剂量20 μM H2O2以及分别加入MEK阻断剂U0126和Res后H2O2对肺癌细胞NCI-H1395增殖的影响，采用Western Blot检测H2O2对ERK1/2和Akt蛋白磷酸化水平以及加入Res后H2O2对MEK、ERK1/2和c-Jun蛋白磷酸化水平的影响。结果：小剂量H2O2对肺癌细胞NCI-H1395具有促增殖作用，H2O2通过活化ERK1/2和Akt蛋白的磷酸化水平促进肺癌细胞NCI-H1395增殖，加入MEK阻断剂U0126后H2O2对肺癌细胞NCI-H1395增殖作用降低（P<0.05）。Res可抑制H2O2诱导的肺癌细胞NCI-H1395增殖，加入Res后，H2O2引起的MEK、ERK1/2和c-Jun蛋白磷酸化水平均降低（P<0.05）。结论：小剂量H2O2对肺癌细胞NCI-H1395具有促增殖作用，Res通过抑制MEK/ERK/c-Jun信号通路来抑制H2O2对肺癌细胞NCI-H1395的促增殖作用，其具体机制还需进一步研究。 |
| 英文摘要: |
| ABSTRACT Objective: To investigate whether resveratrol (Res) can inhibit low-dose hydrogen peroxide (H2O2) induced proliferation of lung cancer cells by down regulating the ERK kinase/extracellular signal regulated kinase/proto oncogene (MEK/ERK/c-Jun) signal pathway. Methods: The effect of H2O2 on the proliferation of lung cancer cell line NCI-H1395 with low-dose 20 μm H2O2 and after adding MEK blocking agent U0126 and Res were detected by MTS assay. The effect of H2O2 on the phosphorylation of ERK1/2 and Akt protein and the effect of H2O2 on the phosphorylation of MEK, ERK1/2 and c-Jun after adding Res were detected by Western Blot. Results:: Low-dose H2O2 could promote the proliferation of lung cancer cell line NCI-H1395, and H2O2 promoted the proliferation of lung cancer cell line NCI-H1395 by activating the phosphorylation of ERK1/2 and Akt protein. After adding MEK inhibitor U0126, the effect of H2O2 on the proliferation of lung cancer cell line NCI-H1395 was decreased (P<0.05). Res could inhibit H2O2 induced proliferation of lung cancer cell line NCI-H1395. After adding Res, the effects of H2O2 on the phosphorylation of MEK, ERK1/2 and c-Jun protein were decreased (P<0.05). Conclusion: Low-dose H2O2 can promote the proliferation of lung cancer cell line NCI-H1395, and Res can inhibit H2O2 induced the proliferation of lung cancer cell line NCI-H1395 by inhibiting MEK/ERK/c-Jun signaling pathway, but the specific mechanism still needs further study. |
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